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12 December, 06:15

The amount of stain needed to cover a wood surface is directly proportional to the area of the surface. If 3 pints are required to cover a square deck with a side of 7 feet, how many pints of stain are needed to paint a square deck with a side of 10 feet 6 inches?

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  1. 12 December, 06:27
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    For 10 feet and 6 inches,

    12 inches = 1 foot, therefore 6 inches = 6/12 foot = 0.5 foot

    10 feet 6 inches = 10 + 0.5 = 10.5 feet

    7 feet required 3 pints

    1 foot would have required (3/7) pints

    10.5 feet will then require: (3/7) * 10.5 = 4.5 pints.

    Therefore 10 feet and 6 inches will require 4.5 pints.
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